A volume containing the six chapters of the web-manga adaptation, covering the Golden Ghost Ship Arc.
Following the discovery of a stowaway after a liner raid, the Bentenmaru receives a request from Princess Gruier Serenity to search for the Golden Ghost Ship.
With help from Chiaki Kurihara and the Barbaroosa, Marika and the Bentenmaru crew search for the legendary ghost ship, facing not just the hazards of the route it took through space, but also a rival faction from Serenity.
After meeting Kanata Mugen and helping him evade his pursuers, Marika is set to carry out the task entrusted to the Bentenmaru by Kanata's father, Professor Mugen, and help him find the subspace explorer's legacy.
With the help of the Bentenmaru crew and the Hakuoh Academy Yacht Club, the two set out into deep space to search for the professor's ship and face the enemy who also seeks his legacy.